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    • 7. 发明授权
    • Charge balancing of batteries during charging
    • 充电期间电池充电平衡
    • US5283512A
    • 1994-02-01
    • US867578
    • 1992-04-13
    • Steven J. StadnickRobert K. Taenaka
    • Steven J. StadnickRobert K. Taenaka
    • H02J7/00H02J7/04
    • H02J7/0016
    • A battery system comprises a plurality of sodium-sulfur storage cells connected in series to form a battery, with voltage measurement leads attached across each of the individual storage cells. A charge-limiting circuit controllably isolates an individual storage cell from a charging current applied across the battery when the measured voltage across that individual storage cell exceeds a preselected maximum storage cell voltage. Preferably, the charge-limiting circuit includes a bypass circuit connected through the voltage measurement leads and a circuit element that becomes conductive when the voltage across the individual storage cell exceeds the preselected maximum storage cell voltage. There are a plurality of charge-limiting circuits, one for each of the storage cells of the battery. In operation, a high charging current is imposed on the battery while measuring the voltage across each individual storage cell, until the voltage measured across at least one of the storage cells exceeds a preselected reduced-current voltage that is less than the preselected maximum storage cell voltage. The charging current is thereafter reduced to a low charging current while continuing to charge the battery. The low charging current is bypassed around each of the individual storage cells as that storage cell reaches the maximum voltage, until all of the storage cells reach the same state of charge.
    • 电池系统包括串联连接以形成电池的多个钠 - 硫储存电池,电压测量引线连接在每个单独的存储单元上。 当跨越该单独存储单元的测量电压超过预选的最大存储单元电压时,充电限制电路可控制地将各个存储单元与施加在电池两端的充电电流隔离。 优选地,充电限制电路包括通过电压测量引线连接的旁路电路和当单个存储单元两端的电压超过预选的最大存储单元电压时变为导通的电路元件。 存在多个充电限制电路,一个用于电池的每个存储单元。 在操作中,在测量每个单独存储单元之间的电压的同时,对电池施加高的充电电流,直到在至少一个存储单元上测量的电压超过预选的小于预选的最大存储单元的降额电压 电压。 然后在继续对电池充电的同时将充电电流降低到低充电电流。 当存储单元达到最大电压时,低电荷充电电流被绕过每个单独的存储单元,直到所有存储单元达到相同的充电状态。
    • 9. 发明授权
    • Through-wall electrical terminal and energy storage cell utilizing the
terminal
    • 使用终端的直通电气终端和储能电池
    • US5837399A
    • 1998-11-17
    • US898412
    • 1997-07-22
    • Walter R. OswaldRobert K. Taenaka
    • Walter R. OswaldRobert K. Taenaka
    • H01M2/30H01M10/34
    • H01M2/30H01M10/345
    • An electrical terminal provides an electrical interconnection between the exterior and the interior of the pressure vessel of an energy storage cell. The terminal includes an external electrical conductor exterior to the pressure vessel and an internal electrical conductor within the interior of the pressure vessel. An electrically nonconductive support mounts the electrical conductors to the wall of the pressure vessel. The two electrical conductors are cooperatively engaged, preferably by matching threads. A compliant seal is positioned between the external electrical conductor and the internal electrical conductor, on the one hand, and the wall of the pressure vessel, on the other, and a biasing washer set applies a force between the seal and the electrical conductors to maintain hermeticity in the event that the seal deforms during service.
    • 电气端子在能量存储单元的压力容器的外部和内部之间提供电互连。 端子包括在压力容器外部的外部电导体和压力容器内部的内部电导体。 不导电的支撑件将电导体安装到压力容器的壁上。 两个电导体优选通过匹配螺纹来协作地接合。 一方面,外部电导体和内部电导体以及压力容器的壁之间的柔性密封件定位在另一方面,偏置垫圈组在密封件和电导体之间施加力以保持 在密封件在使用过程中发生变形时的气密性。